About CK Image & PDF Reducer
CK Image & PDF Reducer compresses image files and PDFs locally on a Windows computer. It supports resizing images by percentage or by setting a fixed width or height while preserving the aspect ratio. Users can reduce JPEG quality or set a target file size, after which the application searches for a quality and resolution that fit the chosen limit. For PDFs, it reduces size by recompressing embedded images and uses Ghostscript, which is installed separately on first use. The application supports batch processing, drag-and-drop, HEIC images, and an optional Windows Explorer context-menu command. Processing happens on the local computer, and the supplied description says files are not uploaded.
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